title: Lack of association of the immune response to ragweed antigen E, Ra3 and Ra5 with the HLA system.
mesh_terms: D000485:Allergens; D052179:Antigens, Plant; D001249:Asthma / Q000276:immunology; D005802:Genes, MHC Class II; D006680:HLA Antigens; D006801:Humans; D007073:Immunoglobulin E / Q000032:analysis; D007428:Intradermal Tests; D010940:Plant Proteins; D011058:Pollen / Q000276:immunology*; D006255:Rhinitis, Allergic, Seasonal / Q000235:genetics / Q000276:immunology*
chemical_list: D000485:Allergens; C026967:Amb a I protein, Ambrosia artemisiifolia; D052179:Antigens, Plant; D006680:HLA Antigens; D010940:Plant Proteins; D007073:Immunoglobulin E